I've used Universal and Tight Group. Tight Group 4.5 gr,1135 fps, 4.8 max listed @1158 fps-30,500 psi.I shoot 115 Cop RN and 4.4 gr of Tight Group,Very Accurate load out of my 2 Match 9mm's4.5-4.6 grain of Universal also shot Great,switched to Tight Group when Universal got ...